21863210

素因数分解:

$2^1\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1993}}^1$

素因数の和:3097

約数の個数: 16

約数和(自身を含む): 39409416

約数和(自身を除く): 17546206

約数列:

[1, 2, 5, 10, 1097, 1993, 2194, 3986, 5485, 9965, 10970, 19930, 2186321, 4372642, 10931605, 21863210]

約数ペア:

[(1, 21863210), (2, 10931605), (5, 4372642), (10, 2186321), (1097, 19930), (1993, 10970), (2194, 9965), (3986, 5485)]